Light jet

N21129

2003 Embraer EMB-145XR

Registered 1 NTSB/FAA record
Built
2003
Serial
145703
Class
Light jet
Engines
2 × Rolls-Royce AE3007 series
Status
Current as of October 2026
Registered owner
United Airlines Inc (Corporation)
Based
Chicago, IL
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Registration record

N21129 on the FAA register

Type
2003 Embraer EMB-145XR
Serial
145703
Engines
2 × Rolls-Royce AE3007 series
Registered owner
United Airlines Inc
Chicago, IL
Certificate issued
2019-08-27
Airworthiness date
2005-02-25
Registration expires
2029-08-31
Airworthiness class
Standard · transport
Mode S (hex)
A1BFF9
Mode S (octal)
50337771
Seats (type)
55
Weight class
12,500–19,999 lb
Range (type)
2,000 nm
Cruise (type)
470 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2029-08-31
    Registration expires (renewal due).
  • 2025-09-25
    Incident at Roanoke, VA; damage: minor.
  • 2019-08-27
    Certificate of registration issued as N21129.
  • 2005-02-25
    Airworthiness date on the current FAA record (standard category (transport)).
  • 2003
    Manufactured (2003).
Overview

About N21129

N21129 is a 2003 Embraer EMB-145XR, serial number 145703. The FAA register lists United Airlines Inc as the registrant in Chicago, Illinois. The current certificate of registration was issued on August 27, 2019 and expires on August 31, 2029.

The FAA aircraft reference file describes the type as a light jet, two Rolls-Royce AE3007 series engines and 55 seats. Published figures for the type give a cruise speed of about 470 knots and a range of about 2,000 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (transport), dated February 25, 2005.

N21129 has 1 accident/incident record on file (most serious damage: minor); details are below.

Cruise
470 kt
Range
2,000 nm
Fuel burn
44 gph

Published figures for the Embraer EMB-145XR type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2025-09-25 Incident · Roanoke, VA Damage: Minor NTSB · DCA25LA339
Reported aircraft: Embraer EMB-145XR
Preliminary report: On September 24, 2025, at 2117 eastern daylight time (EDT), CommuteAir (dba United Express flight 4339), Embraer EMB-145XR, N21129, experienced a runway excursion while landing at Roanoke-Blacksburg Regional Airport (ROA), Roanoke, Virginia (VA). The airplane overran the end of runway 34 and came to rest in the engineered materials arresting system (EMAS). There were no injuries to the 3 crew and 50 passengers onboard and there was no damage to the airplane. The scheduled domestic passenger flight was operating under the provisions of Title 14 Code of Federal Regulations Part 121 from Washington Dulles International Airport (IAD), Dulles, VA to ROA. According to the flight crew, this was…
NTSB report ↗

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.